Intel Core i5-9400F + GeForce RTX 4080 Bottleneck

4K16 GB RAMGaming Estimate based on PassMark scores
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Good balance

10.6%

bottleneck at 4K

The processor is the limit. It holds back about 11% of the graphics card's performance at 4K. Upgrade the CPU first.

Which part is the limit?

Limit: CPU

← CPU is the limitGPU is the limit →
CPU est. usage in games 99%
GPU est. usage in games 88%

At other resolutions

Things to know

  • 16 GB VRAM is enough for 4K.
  • 16 GB RAM won't limit games.
  • A higher resolution or heavier graphics settings shift load to the GPU and hide some of the CPU limit.

Spec comparison

Processor

Intel Core i5-9400F

Cores
6
Base / boost clock
2.9 GHz / 4.1 GHz
Single-thread score
2,420
CPU Mark
9,463
TDP
65 W
Socket
FCLGA1151-2
Category
Desktop, Laptop
Released
Feb 2019
Price
$145

Graphics card

GeForce RTX 4080

VRAM
16 GB
Core clock
2205 MHz
G3D Mark
34,442
G2D Mark
1,251
TDP
320 W
Bus
PCIe 4.0 x16
Category
Desktop
Released
Nov 2022
Price
$1,950

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